1, CAD design 2, precise CNC parts,Metal rapid prototype 3, ... company VOWIN is a market leader in Rapid Prototype Development, industrial CAD design, producing functional prototype, automobile parts prototype, medical prototype, ... 7, Sla/sls 3d Printer (for 1-20pcs)8, Design service (OEM service)Certification passed Bureau Veritas,ROHS,ISOMaterials ... , Toy plane and etc. 8. and etc.... CAD design